webtorrent perf: create 5 offers at a time

Author: feross

lib/client/websocket-tracker.js

@@ -42,9 +42,8 @@ WebSocketTracker.prototype.announce = function (opts) {
     return self.socket.once('connect', self.announce.bind(self, opts))
   }
 
-  // TODO: Limit number of offers (temporarily)
-  // TODO: remove this when we cleanup old RTCPeerConnections cleanly
-  var numwant = Math.min(opts.numwant, 10)
+  // Limit the number of offers that are generated, since it can be slow
+  var numwant = Math.min(opts.numwant, 5)
 
   self._generateOffers(numwant, function (offers) {
     var params = {
@@ -177,6 +176,7 @@ WebSocketTracker.prototype._onSocketData = function (data) {
 
   var peer
   if (data.offer && data.peer_id) {
+    debug('creating peer (from remote offer)')
     peer = new Peer({
       trickle: false,
       config: self.client._rtcConfig,
@@ -260,6 +260,7 @@ WebSocketTracker.prototype._generateOffers = function (numwant, cb) {
 
   function generateOffer () {
     var offerId = hat(160)
+    debug('creating peer (from _generateOffers)')
     var peer = self.peers[offerId] = new Peer({
       initiator: true,
       trickle: false,